EP2569242B2 - Courroie d'entraînement, en particulier élément de traction en forme de courroie pour ascenseurs, avec propriétés retardatrices de flamme - Google Patents

Courroie d'entraînement, en particulier élément de traction en forme de courroie pour ascenseurs, avec propriétés retardatrices de flamme Download PDF

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Publication number
EP2569242B2
EP2569242B2 EP10755164.0A EP10755164A EP2569242B2 EP 2569242 B2 EP2569242 B2 EP 2569242B2 EP 10755164 A EP10755164 A EP 10755164A EP 2569242 B2 EP2569242 B2 EP 2569242B2
Authority
EP
European Patent Office
Prior art keywords
belt
fire
weight
retardant additive
substructure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10755164.0A
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German (de)
English (en)
Other versions
EP2569242A1 (fr
EP2569242B1 (fr
Inventor
Hubert Göser
Stephan Brocke
Thomas Winkler
Hugh O'donnell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ContiTech Antriebssysteme GmbH
Original Assignee
ContiTech Antriebssysteme GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by ContiTech Antriebssysteme GmbH filed Critical ContiTech Antriebssysteme GmbH
Publication of EP2569242A1 publication Critical patent/EP2569242A1/fr
Publication of EP2569242B1 publication Critical patent/EP2569242B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/165—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G1/00—Driving-belts
    • F16G1/06—Driving-belts made of rubber
    • F16G1/08—Driving-belts made of rubber with reinforcement bonded by the rubber
    • F16G1/12—Driving-belts made of rubber with reinforcement bonded by the rubber with metal reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G5/00—V-belts, i.e. belts of tapered cross-section
    • F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
    • F16G5/06—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber
    • F16G5/10—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber with metal reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G5/00—V-belts, i.e. belts of tapered cross-section
    • F16G5/20—V-belts, i.e. belts of tapered cross-section with a contact surface of special shape, e.g. toothed
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D07B2201/2042—Strands characterised by a coating
    • D07B2201/2044—Strands characterised by a coating comprising polymers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D07B2201/2046—Strands comprising fillers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2092—Jackets or coverings characterised by the materials used
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/202—Environmental resistance
    • D07B2401/2035—High temperature resistance
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2007—Elevators
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2076—Power transmissions

Definitions

  • Belts of this type which are also referred to as drive belts or power transmission belts, can be designed as flat belts, V-belts, V-ribbed belts, toothed belts or as composite cables.
  • drive belts or power transmission belts can be designed as flat belts, V-belts, V-ribbed belts, toothed belts or as composite cables.
  • patent literature DE 38 23 157 A1 , DE 100 16 351 A1 , DE 10 2006 007 509 A1 , DE 10 2007 062 285 A1 , DE 10 2008 012 044 A1 , WO 2005/080821 A1 , WO 2006/066669 A1 , U.S. 3,981,206 , U.S. 5,417,618 , US3545293 and U.S. 6,491,598 .
  • the elasticity of a belt is achieved in that the belt body and thus the cover layer and the substructure consist of a polymeric material with elastic properties, with the two material groups elastomers and thermoplastic elastomers being particularly noteworthy here. Of particular importance are elastomers based on a vulcanized rubber mixture containing at least one rubber component and mixture ingredients.
  • EPM ethylene-propylene rubber
  • EPDM ethylene-propylene-diene rubber
  • HNBR hydrogenated nitrile rubber
  • FKM fluorine rubber
  • NR natural rubber
  • CR chloroprene rubber
  • SBR styrene-butadiene rubber
  • BR butadiene rubber
  • PU polyurethane
  • the mixture ingredients comprise at least one crosslinker or crosslinker system (crosslinking agent and accelerator).
  • Other mixture ingredients are mostly a filler and/or a processing aid and/or a plasticizer and/or an anti-aging agent and optionally other additives, for example fibers for the purpose of reinforcement, and color pigments.
  • a processing aid and/or a plasticizer and/or an anti-aging agent and optionally other additives, for example fibers for the purpose of reinforcement, and color pigments.
  • the belt is provided with an embedded tension member formed from at least one tension cord running in the longitudinal direction of the belt.
  • tension cords form a tension member layer.
  • the main material types are: steel, polyamide (PA), aramid, polyester, glass fibers, carbon fibers, basalt, polyetheretherketone (PEEK), polyethylene terephthalate (PET), polybenzoxazole (PBO) or polyethylene 2,6-naphthalate (PEN).
  • the tensile cord is usually prepared with an adhesive system, for example with a resorcinol-formaldehyde latex (RFL), so that permanent adhesion to the surrounding polymeric material is ensured.
  • RTL resorcinol-formaldehyde latex
  • the power transmission zone of a belt is provided with an abrasion-resistant coating, which also serves to reduce noise and can also be oil-resistant.
  • a flock layer is used, in particular in the form of a cotton or aramid flock, a thin elastic polymer layer filled with fibers (e.g. aramid fibers), a textile layer, in particular in the form of a woven or knitted fabric, or a film (e.g. PTFE film) or a composite film (e.g. PA-PTFE film).
  • the fabric is of particular importance.
  • the coatings mentioned here are mostly prepared for adhesion on the contact side to the belt body, in particular to its substructure, for example with RFL.
  • a problem with belts of all kinds is that the polymeric material of the belt body is highly combustible. In the event of a fire, the entire belt body material would burn off and possibly also damage the tension member. This problem is particularly relevant in the case of a belt-like tension element for elevator technology, in which case the steel tension member can then be damaged. In any case, the function and thus the safety of the elevator would no longer be given.
  • the object of the invention is now to provide a belt, in particular a tension element for elevator technology, in which the belt body material should not be flammable or self-extinguishing, so that in the event of fire the entire belt, in particular the entire tension element, is not affected, specifically with a still existing functionality, especially in elevator systems.
  • a single substance class for example a melamine phosphate, or a two-component or multi-component system, for example a mixture of melamine phosphate and melamine cyanurate, can be used.
  • the additives are essentially mixed evenly in the polymer matrix, particularly in the case of the first material A.
  • the proportion of the fire-retardant additive for the first material A is 5% by weight to 50% by weight.
  • the proportion of the fire-retardant additive for the second material B is 0 to 3% by weight.
  • the fire-retardant properties are therefore exclusively concentrated on the first material A.
  • the top layer of the belt where high mechanical properties are not required, is equipped with the first material A with its fire-retardant characteristics.
  • the second material B Since the substructure with its power transmission zone, which is in contact with the traction disk, is subject to the highest mechanical stress, the second material B is used here with little or no fire-retardant characteristics.
  • the second material does not contain any fire-retardant additives, since the admixture of such additives can adversely change the mechanical properties of the polymeric material.
  • the first material A forms the belt core and the second material B the belt sleeve.
  • the train carrier is there embedded in particular with complete sheathing of the first material A in the belt core.
  • the immediate vicinity of the tension member is thus included in the fire-retardant characteristics.
  • the belt sleeve with the second material B preferably completely surrounds the belt core.
  • the belt body consists exclusively of the two materials A and B, especially in connection with the two variants mentioned above.
  • a fire-retardant additive can be mixed into this intermediate layer, reference being made to the following example: top layer first material A25% by weight substructure with force transmission zone second material B-intermediate layer with embedded tension member third material C5% by weight
  • the belt body From the substructure, which is free of a fire-retardant additive, the belt body experiences an increasing concentration of the fire-retardant additive towards the top layer.
  • the belt body may be provided with at least one embedded layer.
  • This layer consists in particular of a textile material in the form of a woven, knitted or crocheted fabric.
  • This layer can also be equipped with a fire-retardant finish, for example by the textile threads being treated with a fire-retardant finish.
  • the cover layer and/or the power transmission zone can also be additionally provided with a coating.
  • a textile overlay in the form of a woven, knitted or knitted fabric is used in particular as the coating.
  • the fabric support is of particular importance.
  • the coating can also be fire-retardant, in that the textile threads, for example, are treated to be fire-retardant.
  • the belt is designed as a flat belt, V-belt, V-ribbed belt, toothed belt or as a composite cable.
  • the belt according to the invention is used in particular as a traction element in elevator technology, in particular using composite cables, a flat belt or a toothed belt.
  • the fire is not distributed over the height of the entire elevator shaft via the tension element.
  • the pull element equipped in this way is very difficult to catch fire and usually goes out again on its own after a very short period of fire.
  • the elevator remains partially functional. Another advantage is that such a tension element cannot spread a building fire from one floor to the next.
  • a belt 1 as a tension element for elevator technology, specifically in the form of composite ropes with a cover layer 2 as the back of the belt, an embedded tension member 3 with several tension cords running in the longitudinal direction in the form of steel cords, and a substructure 4.
  • the substructure 4 has a ribbed groove structure, formed from ribs 5 and grooves 6.
  • the steel cords of the tension member 3 are each arranged essentially within a rib 5.
  • the substructure 4 includes the power transmission zone 7, which corresponds to a traction disk 8 with a corresponding profile.
  • structural details of the traction disk 8 reference is made, for example, to the two published documents DE 10 2008 037 537 A1 and DE 10 2008 037 538 A1 referred.
  • the belt body consists of a first material A and a second material B.
  • the first material A with a high proportion of a fire-retardant additive (e.g. 25% by weight) comprises the entire cover layer 2 where the high mechanical properties are not required .
  • the second material B is arranged within a rib 5 of the substructure 4 and at the same time encases almost the entire tension member 3.
  • a belt 9 as a tension element for elevator technology here in the form of a flat belt with a cover layer 10 as the back of the belt, an embedded tension member 11 with several tension cords running in the longitudinal direction in the form of steel cords, and a substructure 12.
  • the substructure 12 is flat here and includes the power transmission zone 13, which corresponds to a traction sheave 14 with a flanged wheel 15.
  • structural details of the traction disk 14 reference is made here, for example, to the published application US 2002/0000346 A1 referred.
  • the cover layer 10 and the substructure 12 also form the elastic belt body as an overall unit, for example again based on PU.
  • the belt body consists of a first material A and a second material B.
  • the first material A with a high proportion of a fire-retardant additive (e.g. 25% by weight) comprises the entire top layer 10 and the entire area of the tension member 11 means that all the steel cords are completely encased by the first material A here.
  • the substructure 12 with the flat power transmission zone 13 is provided with the second material B which is poor (eg 3% by weight) or free of a fire-retardant additive.
  • FIG. 3 shows a belt 16 as a traction element for elevator technology, specifically as in embodiment 2 in the form of a flat belt.
  • the difference is that here the first material A forms the belt core 18 and the second material B forms the belt sleeve 19 .
  • the tension member 17 is embedded in the belt core 18 with the first material A being completely encased.
  • the belt sleeve 19 completely surrounds the belt core 18.
  • the first material A with a high proportion of a fire-retardant additive e.g. 25% by weight
  • the entire belt sleeve 19, on the other hand is equipped with the second material B, which is poor (eg 3% by weight) or free of a flame retardant additive. If the belt sleeve 19 with the second material B burns through at the points exposed to fire, the belt core 18 with the first material A then prevents the fire from spreading to the entire belt 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (5)

  1. Courroie (1, 9, 16) pour la technologie d'entraînement, constituée au moins par :
    - un corps de courroie en un matériau polymère ayant des propriétés élastiques, comprenant une couche de recouvrement (2, 10) en tant que dos de courroie et une sous-structure (4, 12) avec une zone de transmission de force (7, 13) ; ainsi que
    - un renfort de traction incorporé dans le corps de courroie sous la forme de câbles en acier (3, 11, 17) ;
    caractérisée en ce que le corps de courroie est constitué par au moins deux matériaux différents A et B, à savoir :
    - un premier matériau A, qui est équipé d'un additif ignifuge et qui est utilisé dans le corps de courroie partout où les propriétés mécaniques élevées ne sont pas requises, la proportion de l'additif ignifuge étant de 5 à 50 % en poids ; ainsi que
    - un deuxième matériau B, qui est pauvre ou exempt d'additif ignifuge et qui est utilisé dans la zone du corps de courroie qui est soumise aux contraintes mécaniques les plus élevées, la proportion de l'additif ignifuge étant de 0 à 3 % en poids, et
    - l'additif ignifuge étant mélangé de manière essentiellement uniforme dans la matrice polymère, et du phosphate de mélamine et/ou du polyphosphate de mélamine et/ou du cyanurate de mélamine étant utilisés en tant qu'additif ignifuge, et
    - les proportions suivantes s'appliquant au regard du premier matériau A et du deuxième matériau B :
    o premier matériau A : 40 % en poids % à 95 % en poids
    o deuxième matériau B : 60 % en poids à 5 % en poids et soit
    - la couche de recouvrement (2, 10) de la courroie (1, 9) étant équipée du premier matériau A et
    - la sous-structure (4, 12) de la courroie (1, 9) avec la zone de transmission de force (7, 13) étant équipée du deuxième matériau B,
    soit
    - le premier matériau A formant le noyau de courroie (18) et le deuxième matériau B formant la gaine de courroie (19).
  2. Courroie selon la revendication 1, caractérisée en ce que le corps de courroie est en outre pourvu d'au moins une couche incorporée.
  3. Courroie selon l'une quelconque des revendications 1 à 2, caractérisée en ce que la couche de recouvrement (2, 10) et/ou la zone de transmission de force (7, 13) est/sont en outre pourvue(s) d'un revêtement.
  4. Courroie selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la courroie (1, 9) est configurée sous forme de courroie plate (9, 16), de courroie trapézoïdale, de courroie trapézoïdale à nervures, de courroie dentée ou sous forme de câble composite (1).
  5. Utilisation d'une courroie (1, 9, 16) selon l'une quelconque des revendications 1 à 4 en tant qu'élément de traction de type courroie pour la technologie des ascenseurs.
EP10755164.0A 2010-05-11 2010-09-20 Courroie d'entraînement, en particulier élément de traction en forme de courroie pour ascenseurs, avec propriétés retardatrices de flamme Active EP2569242B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010016872A DE102010016872A1 (de) 2010-05-11 2010-05-11 Riemen für die Antriebstechnik, insbesondere riemenartiges Zugelement für die Aufzugstechnik, mit brandhemmenden Eigenschaften
PCT/EP2010/063776 WO2011141068A1 (fr) 2010-05-11 2010-09-20 Courroie d'entraînement, en particulier élément de traction en forme de courroie pour ascenseurs, avec propriétés retardatrices de flamme

Publications (3)

Publication Number Publication Date
EP2569242A1 EP2569242A1 (fr) 2013-03-20
EP2569242B1 EP2569242B1 (fr) 2019-09-04
EP2569242B2 true EP2569242B2 (fr) 2023-03-01

Family

ID=43428840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10755164.0A Active EP2569242B2 (fr) 2010-05-11 2010-09-20 Courroie d'entraînement, en particulier élément de traction en forme de courroie pour ascenseurs, avec propriétés retardatrices de flamme

Country Status (4)

Country Link
US (1) US20120329591A1 (fr)
EP (1) EP2569242B2 (fr)
DE (1) DE102010016872A1 (fr)
WO (1) WO2011141068A1 (fr)

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DE102007021434B4 (de) * 2007-05-08 2018-10-18 Contitech Antriebssysteme Gmbh Aufzugsanlagenzugmittel
BR112015000948B1 (pt) * 2012-07-18 2020-12-22 Otis Elevator Company fita, e, método para a fabricação de uma fita
DE102012110769A1 (de) 2012-11-09 2014-05-15 Contitech Antriebssysteme Gmbh Riemen für die Antriebstechnik, insbesondere riemenartiges Zugelement für die Aufzugstechnik, mit brandhemmenden Eigenschaften
EP2749519B1 (fr) 2012-12-27 2020-07-22 KONE Corporation Ascenseur avec une courroie comprenant fibres non métalliques.
CN110654958B (zh) * 2014-03-06 2021-03-23 奥的斯电梯公司 纤维增强的电梯带及制造方法
DE102014217309A1 (de) 2014-08-29 2016-03-03 Contitech Antriebssysteme Gmbh Riemen für die Antriebstechnik, insbesondere riemenartiges Zugelement für die Aufzugstechnik, mit brandhemmenden Eigenschaften
US9873593B2 (en) * 2015-05-07 2018-01-23 Otis Elevator Company Fire resistant coated steel belt
CN105173973A (zh) * 2015-07-27 2015-12-23 苏州台菱电梯有限公司 一种带有智能钢带的消防救援电梯
CN105752809A (zh) * 2016-03-29 2016-07-13 江南嘉捷电梯股份有限公司 一种曳引悬挂电梯
US10336579B2 (en) 2016-03-29 2019-07-02 Otis Elevator Company Metal coating of load bearing member for elevator system
US10029887B2 (en) 2016-03-29 2018-07-24 Otis Elevator Company Electroless metal coating of load bearing member for elevator system
EP3243785B1 (fr) * 2016-05-11 2021-04-07 KONE Corporation Corde, agencement d'ascenseur et ascenseur
DE102016215730A1 (de) * 2016-08-23 2018-03-01 Contitech Antriebssysteme Gmbh Verfahren zur mehrstufigen Herstellung eines Zug- oder Tragmittels
US10974929B2 (en) * 2016-11-07 2021-04-13 Otis Elevator Company Load bearing member for an elevator system having an elastomer and phosphonate blended bonding agent
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KR102518963B1 (ko) 2016-12-12 2023-04-07 오티스 엘리베이터 컴파니 엘리베이터 시스템용 하이브리드 직물-라미네이트된 벨트
KR102558412B1 (ko) * 2017-04-03 2023-07-24 오티스 엘리베이터 컴파니 추가적인 층을 갖는 엘리베이터 벨트
KR102623964B1 (ko) * 2017-04-20 2024-01-11 오티스 엘리베이터 컴파니 직물 인장 부재를 구비한 엘리베이터 시스템 벨트
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US11293518B2 (en) * 2017-04-24 2022-04-05 Mitsuboshi Belting Ltd. Toothed belt
US20190062114A1 (en) * 2017-08-25 2019-02-28 Otis Elevator Company Self-extinguishing load bearing member for elevator system
US10549952B2 (en) * 2017-08-25 2020-02-04 Otis Elevator Company Self-extinguishing fabric belt for elevator system
US11274017B2 (en) * 2017-08-25 2022-03-15 Otis Elevator Company Belt with self-extinguishing layer and method of making
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US20120329591A1 (en) 2012-12-27
EP2569242A1 (fr) 2013-03-20
DE102010016872A1 (de) 2011-11-17
EP2569242B1 (fr) 2019-09-04
WO2011141068A1 (fr) 2011-11-17

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